Which of the following statements are correct about Lok Sabha? 
1) The Constitution puts a limit on the size of the Lok Sabha. 
2) The size and shape of the Parliamentary Constituencies is determined by the Election Commission. 
3) First – past – the Post electoral system is followed. 
4) The Speaker of Lok Sabha does not have a casting vote in case of an equality of votes. 
Select the correct answer from the codes given below: